Helleo Eveyone. What else besides Headers, Pulleys, Cat Back Exahast, Throttle Body and K&N Filters will give me more horsepower. Oh one more thing do these items have to be for my exact engine cause my engine is a LB9. Cause I look on the superchevy magaizens most of these parts are for the 4th genration camaro will these parts fit on my 3rd genration camaro or will they have to order it to get it exact my engine size.

 

camshaft and heads

 

most of the 4th gen stuff will not fit the third gens. get a throttle body airfoil, and have your heads ported and polished. add some 1.6 ratio roller rockers.

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'86 IROC 5-speed
305 LG4
edelbrock performer rpm intake
edelbrock 600 cfm carb
msd pro billet hei
'95 3.23 rearend
hotchkis rear suspension

 

Advance your timing. Cooler thermostat.

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'86 IROC
T-TOPS, TINTED WINDOWS, BRAKE LIGHT BLACKOUTS
GM GOODWRENCH 350
EDELBROCK TES HEADERS
FLOWMASTER, NO CAT
EDELBROCK 600CFM CARB.
KN AIRFILTER
ACCEL HEI DISTRIBUTOR
160* Stat
2:73 GEARS
Rebuilt 700R4, with manual valve body
B&M Megashifter, 5" Autometer Tach w/shift lite
Soon to be installed
3:73 Richmond Gears and 3" Hooker Aero Chamber
Corvette Servo & .500 boost valve
15.61@ 95.2mph G-Teched, 1-2 shift slippage, and just replaced a burnt plug wire
"There is nothing more addicting than speed"

 

Dont worry about getting a larger Throttle Body. The Sock one is large enough for the 305, just buy one of those airfoils. Sounds kind of stupid, but i felt a difference after putting mine in. Easiest mod ive done. But to get real power out of the LB9 you will have to change out the cam, and get new heads (world makes some great ones for the 305) or get your heads ported and rebuilt.
Its nice to see someone else interested in getting some power out of the LB9
peace

 

Just got done installing the S/R Torquer's and a LPE216 cam and my Z accelerates like there is no tommorrow. I just can't wait 'til I port my intake and upgrade the rear to 3.42's or even 3.73's.